Virginia Mason - Buck Pavilion
Hospital (General Medical & Surgical) in Seattle, WA · 1100 9TH AVE · 98101
At a glance
Virginia Mason - Buck Pavilion is a 158,738-square-foot hospital (general medical & surgical) at 1100 9TH AVE in Seattle, Washington, built in 1975.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 6,741,735 kWh |
| Natural gas | 106,684 therms |
| Gross floor area | 158,738 sq ft |
| Source record | seattle:466:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | — | — | |
| 2024 | 2 | ±0 | 153.3 kBtu/ft² | 1,150 tCO₂e |
| 2023 | 2 | -2 | 155.3 kBtu/ft² | 1,204 tCO₂e |
| 2022 | 4 | +1 | 151.5 kBtu/ft² | 1,192 tCO₂e |
| 2021 | 3 | +1 | 153.7 kBtu/ft² | 1,194 tCO₂e |
| 2020 | 2 | +1 | 188.5 kBtu/ft² | 1,147 tCO₂e |
| 2019 | 1 | 253.4 kBtu/ft² | 1,371 tCO₂e | |
| 2018 | — | 332.0 kBtu/ft² | 842 tCO₂e | |
| 2017 | — | 363.7 kBtu/ft² | 1,122 tCO₂e | |
| 2016 | — | 389.1 kBtu/ft² | 1,235 tCO₂e | |
| 2015 | — | 420.4 kBtu/ft² | 1,323 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 1100 9TH AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.60953, -122.32793
Within ~1 km
Nearby benchmarked buildings
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- Seattle Convention Centerscore —
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See also: most efficient in Seattle · biggest emitters
How does Virginia Mason - Buck Pavilion compare with other hospital (general medical & surgical) buildings in Seattle?
The latest disclosures cover 11 hospital (general medical & surgical) buildings in Seattle, out of 3,871 buildings citywide.
At 158,738 sq ft, it is about 77% below the average floor area of 676,225 sq ft for those buildings. Its 1975 construction date is close to the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².
How has Virginia Mason - Buck Pavilion's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Virginia Mason - Buck Pavilion, covering report years 2015–2025. Its ENERGY STAR score went from 1 in 2019 to 2 in 2024 (+1 points); its best year on file was 2022, at 4. Site EUI moved from 420.4 kBtu/ft² (2015) to 153.3 kBtu/ft² (2024), a 64% decrease. Reported emissions went from 1,323 tCO₂e to 1,150 tCO₂e over the same span (down 13%).
Which law requires Virginia Mason - Buck Pavilion to report its energy use?
Virginia Mason - Buck Pavilion reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:466:2025). Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
More hospital (general medical & surgical) buildings in Seattle
Frequently asked questions
What is Virginia Mason - Buck Pavilion's energy grade?
Virginia Mason - Buck Pavilion did not report an ENERGY STAR score in its 2025 disclosure.
How much energy does Virginia Mason - Buck Pavilion use?
No energy-use intensity was reported for 2025.
What are Virginia Mason - Buck Pavilion's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025.
Where is Virginia Mason - Buck Pavilion?
Virginia Mason - Buck Pavilion is at 1100 9TH AVE, in Seattle, Washington 98101. Its coordinates are 47.60953, -122.32793 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Virginia Mason - Buck Pavilion and when was it built?
Virginia Mason - Buck Pavilion has 158,738 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1975 as its year built. It is classed as hospital (general medical & surgical).
Is Virginia Mason - Buck Pavilion covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).
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About this data
Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Virginia Mason - Buck Pavilion, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/virginia-mason-buck-pavilion-e29f2f76 (data as of October 2, 2026).